Gary Wilson discusses the disturbing symptoms showing up in some heavy Internet porn users, the surprising reversal of those symptoms, and the science behind these phenomena in this narrated slideshow of the TEDx talk he gave in Glasgow (February, 2012). The talk was a reply to Philip Zimbardo's "The Demise of Guys" which talks about 'arousal addiction,' that is, Internet addiction. For more information visit our non-commercial, non-religious website - www.yourbrainonporn.com